1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo.flow;
import java.awt.Color;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObjMixed;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.ValidationException;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonFont;
import org.apache.fop.fo.properties.CommonRelativePosition;
import org.apache.fop.fo.properties.SpaceProperty;
import org.xml.sax.Locator;
/**
* fo:bidi-override element.
*/
public class BidiOverride extends FObjMixed {
// used for FO validation
private boolean blockOrInlineItemFound = false;
private boolean canHaveBlockLevelChildren = true;
// The value of properties relevant for fo:bidi-override.
private CommonAural commonAural;
private CommonFont commonFont;
private CommonRelativePosition commonRelativePosition;
private Color prColor;
// private ToBeImplementedProperty prDirection;
// private ToBeImplementedProperty prLetterSpacing;
private SpaceProperty lineHeight;
// private ToBeImplementedProperty prScoreSpaces;
// private ToBeImplementedProperty prUnicodeBidi;
private SpaceProperty prWordSpacing;
// End of property values
/**
* @param parent FONode that is the parent of this object
*/
public BidiOverride(FONode parent) {
super(parent);
/* Check to see if this node can have block-level children.
* See validateChildNode() below.
*/
int lvlLeader = findAncestor(FO_LEADER);
int lvlInCntr = findAncestor(FO_INLINE_CONTAINER);
int lvlInline = findAncestor(FO_INLINE);
int lvlFootnote = findAncestor(FO_FOOTNOTE);
if (lvlLeader > 0) {
if (lvlInCntr < 0 || (lvlInCntr > 0 && lvlInCntr > lvlLeader)) {
canHaveBlockLevelChildren = false;
}
} else if (lvlInline > 0 && lvlFootnote == (lvlInline + 1)) {
if (lvlInCntr < 0 || (lvlInCntr > 0 && lvlInCntr > lvlInline)) {
canHaveBlockLevelChildren = false;
}
}
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
public void bind(PropertyList pList) throws FOPException {
commonAural = pList.getAuralProps();
commonFont = pList.getFontProps();
commonRelativePosition = pList.getRelativePositionProps();
prColor = pList.get(PR_COLOR).getColor();
// prDirection = pList.get(PR_DIRECTION);
// prLetterSpacing = pList.get(PR_LETTER_SPACING);
lineHeight = pList.get(PR_LINE_HEIGHT).getSpace();
// prScoreSpaces = pList.get(PR_SCORE_SPACES);
// prUnicodeBidi = pList.get(PR_UNICODE_BIDI);
prWordSpacing = pList.get(PR_WORD_SPACING).getSpace();
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
* XSL Content Model: marker* (#PCDATA|%inline;|%block;)*
* Additionally: "An fo:bidi-override that is a descendant of an fo:leader
* or of the fo:inline child of an fo:footnote may not have block-level
* children, unless it has a nearer ancestor that is an
* fo:inline-container."
*/
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws ValidationException {
if (FO_URI.equals(nsURI) && localName.equals("marker")) {
if (blockOrInlineItemFound) {
nodesOutOfOrderError(loc, "fo:marker",
"(#PCDATA|%inline;|%block;)");
}
} else if (!isBlockOrInlineItem(nsURI, localName)) {
invalidChildError(loc, nsURI, localName);
} else if (!canHaveBlockLevelChildren && isBlockItem(nsURI, localName)) {
String ruleViolated = "An fo:bidi-override"
+ " that is a descendant of an fo:leader or of the fo:inline child"
+ " of an fo:footnote may not have block-level children, unless it"
+ " has a nearer ancestor that is an fo:inline-container.";
invalidChildError(loc, nsURI, localName, ruleViolated);
} else {
blockOrInlineItemFound = true;
}
}
/**
* @return the "line-height" property.
*/
public SpaceProperty getLineHeight() {
return lineHeight;
}
/** @see org.apache.fop.fo.FONode#getLocalName() */
public String getLocalName() {
return "bidi-override";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_BIDI_OVERRIDE;
}
}
|
